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Diffstat (limited to 'include/surfaceflinger/Surface.h')
| -rw-r--r-- | include/surfaceflinger/Surface.h | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/include/surfaceflinger/Surface.h b/include/surfaceflinger/Surface.h new file mode 100644 index 0000000..9808832 --- /dev/null +++ b/include/surfaceflinger/Surface.h @@ -0,0 +1,254 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_SF_SURFACE_H +#define ANDROID_SF_SURFACE_H + +#include <stdint.h> +#include <sys/types.h> + +#include <utils/RefBase.h> +#include <utils/threads.h> + +#include <ui/PixelFormat.h> +#include <ui/Region.h> +#include <ui/egl/android_natives.h> + +#include <surfaceflinger/ISurface.h> +#include <surfaceflinger/ISurfaceFlingerClient.h> + +namespace android { + +// --------------------------------------------------------------------------- + +class GraphicBufferMapper; +class IOMX; +class Rect; +class Surface; +class SurfaceComposerClient; +class SharedClient; +class SharedBufferClient; + +// --------------------------------------------------------------------------- + +class SurfaceControl : public RefBase +{ +public: + static bool isValid(const sp<SurfaceControl>& surface) { + return (surface != 0) && surface->isValid(); + } + bool isValid() { + return mToken>=0 && mClient!=0; + } + static bool isSameSurface( + const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs); + + SurfaceID ID() const { return mToken; } + uint32_t getFlags() const { return mFlags; } + uint32_t getIdentity() const { return mIdentity; } + + // release surface data from java + void clear(); + + status_t setLayer(int32_t layer); + status_t setPosition(int32_t x, int32_t y); + status_t setSize(uint32_t w, uint32_t h); + status_t hide(); + status_t show(int32_t layer = -1); + status_t freeze(); + status_t unfreeze(); + status_t setFlags(uint32_t flags, uint32_t mask); + status_t setTransparentRegionHint(const Region& transparent); + status_t setAlpha(float alpha=1.0f); + status_t setMatrix(float dsdx, float dtdx, float dsdy, float dtdy); + status_t setFreezeTint(uint32_t tint); + + static status_t writeSurfaceToParcel( + const sp<SurfaceControl>& control, Parcel* parcel); + + sp<Surface> getSurface() const; + +private: + // can't be copied + SurfaceControl& operator = (SurfaceControl& rhs); + SurfaceControl(const SurfaceControl& rhs); + + + friend class SurfaceComposerClient; + + // camera and camcorder need access to the ISurface binder interface for preview + friend class Camera; + friend class MediaRecorder; + // mediaplayer needs access to ISurface for display + friend class MediaPlayer; + // for testing + friend class Test; + const sp<ISurface>& getISurface() const { return mSurface; } + + + friend class Surface; + + SurfaceControl( + const sp<SurfaceComposerClient>& client, + const sp<ISurface>& surface, + const ISurfaceFlingerClient::surface_data_t& data, + uint32_t w, uint32_t h, PixelFormat format, uint32_t flags); + + ~SurfaceControl(); + + status_t validate() const; + void destroy(); + + sp<SurfaceComposerClient> mClient; + sp<ISurface> mSurface; + SurfaceID mToken; + uint32_t mIdentity; + uint32_t mWidth; + uint32_t mHeight; + PixelFormat mFormat; + uint32_t mFlags; + mutable Mutex mLock; + + mutable sp<Surface> mSurfaceData; +}; + +// --------------------------------------------------------------------------- + +class Surface + : public EGLNativeBase<android_native_window_t, Surface, RefBase> +{ +public: + struct SurfaceInfo { + uint32_t w; + uint32_t h; + uint32_t s; + uint32_t usage; + PixelFormat format; + void* bits; + uint32_t reserved[2]; + }; + + Surface(const Parcel& data); + + static bool isValid(const sp<Surface>& surface) { + return (surface != 0) && surface->isValid(); + } + + static bool isSameSurface( + const sp<Surface>& lhs, const sp<Surface>& rhs); + + bool isValid(); + SurfaceID ID() const { return mToken; } + uint32_t getFlags() const { return mFlags; } + uint32_t getIdentity() const { return mIdentity; } + + // the lock/unlock APIs must be used from the same thread + status_t lock(SurfaceInfo* info, bool blocking = true); + status_t lock(SurfaceInfo* info, Region* dirty, bool blocking = true); + status_t unlockAndPost(); + + // setSwapRectangle() is intended to be used by GL ES clients + void setSwapRectangle(const Rect& r); + +private: + // can't be copied + Surface& operator = (Surface& rhs); + Surface(const Surface& rhs); + + Surface(const sp<SurfaceControl>& control); + void init(); + ~Surface(); + + friend class SurfaceComposerClient; + friend class SurfaceControl; + + + // camera and camcorder need access to the ISurface binder interface for preview + friend class Camera; + friend class MediaRecorder; + // mediaplayer needs access to ISurface for display + friend class MediaPlayer; + friend class IOMX; + // this is just to be able to write some unit tests + friend class Test; + + sp<SurfaceComposerClient> getClient() const; + sp<ISurface> getISurface() const; + + status_t getBufferLocked(int index, int usage); + + status_t validate() const; + + inline const GraphicBufferMapper& getBufferMapper() const { return mBufferMapper; } + inline GraphicBufferMapper& getBufferMapper() { return mBufferMapper; } + + static int setSwapInterval(android_native_window_t* window, int interval); + static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer); + static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer); + static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer); + static int query(android_native_window_t* window, int what, int* value); + static int perform(android_native_window_t* window, int operation, ...); + + int dequeueBuffer(android_native_buffer_t** buffer); + int lockBuffer(android_native_buffer_t* buffer); + int queueBuffer(android_native_buffer_t* buffer); + int query(int what, int* value); + int perform(int operation, va_list args); + + status_t dequeueBuffer(sp<GraphicBuffer>* buffer); + + + void setUsage(uint32_t reqUsage); + uint32_t getUsage() const; + + // constants + sp<SurfaceComposerClient> mClient; + sp<ISurface> mSurface; + SurfaceID mToken; + uint32_t mIdentity; + PixelFormat mFormat; + uint32_t mFlags; + GraphicBufferMapper& mBufferMapper; + SharedBufferClient* mSharedBufferClient; + + // protected by mSurfaceLock + Rect mSwapRectangle; + uint32_t mUsage; + + // protected by mSurfaceLock. These are also used from lock/unlock + // but in that case, they must be called form the same thread. + sp<GraphicBuffer> mBuffers[2]; + mutable Region mDirtyRegion; + + // must be used from the lock/unlock thread + sp<GraphicBuffer> mLockedBuffer; + sp<GraphicBuffer> mPostedBuffer; + mutable Region mOldDirtyRegion; + bool mNeedFullUpdate; + + // query() must be called from dequeueBuffer() thread + uint32_t mWidth; + uint32_t mHeight; + + // Inherently thread-safe + mutable Mutex mSurfaceLock; + mutable Mutex mApiLock; +}; + +}; // namespace android + +#endif // ANDROID_SF_SURFACE_H + |